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Finding the Fourth Proportional to 380,575.40, 524,940.89 and 244,781.12

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Solution

The fourth proportional to 380,575.40, 524,940.89 and 244,781.12 is: 337,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,575.40 : 524,940.89 = 244,781.12 : x
  2. Step 2: Convert to fraction form
    380,575.40/524,940.89 = 244,781.12/x
  3. Step 3: Cross multiply
    380,575.40x = 524,940.89 × 244,781.12
  4. Step 4: Simplify right side
    380,575.40x = 128,495,619,076.44
  5. Step 5: Solve for x
    x = 128,495,619,076.44/380,575.40
  6. Step 6: Final answer
    x = 337,635.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.